#451B9E#451B9E

#451B9E is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.9% C 0.190 H 288.1°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#451B9E
RGB	rgb(69, 27, 158)
HSL	hsl(259, 71%, 36%)
HSV	hsv(259, 83%, 62%)
CMYK	cmyk(56.3%, 82.9%, 0%, 38%)
CIE-LAB	lab(25.31, 49.96, -62.76)
CIE-LCH	lch(25.31, 80.22, 308.52°)
OKLab	oklab(37.91% 0.0589 -0.1806)
OKLCH	oklch(37.91% 0.19 288.1)
XYZ	xyz(9.0159, 4.5172, 32.7380)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B9E #749E1B

analogous

#1B329E #451B9E #871B9E

triadic

#451B9E #9E451B #1B9E45

tetradic

#451B9E #9E1B32 #749E1B #1B9E87

square

#451B9E #9E1B32 #749E1B #1B9E87

split-complementary

#451B9E #9E871B #329E1B

monochromatic

#170935 #2E126A #451B9E #5C24D2 #8052E1

Accessibility & contrast

On white

11.03

#451B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#451B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B9E

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B9E	#FFFFFF	#000000	##FFFFFF
##451B9E	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA2

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#1E435E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #451b9e;
/* rgb */ color: rgb(69, 27, 158);
/* oklch */ color: oklch(37.9% 0.190 288.1);

Tailwind

colors: {
  custom: {
    50: '#845ebc',
    500: '#451b9e',
    950: '#000000',
  },
}

SCSS

$custom: #451b9e;
$custom-light: #845ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#451b9e",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 259.237,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37906,
    "c": 0.19,
    "h": 288.1
  },
  "luminance": 0.04518
}

Semantic roles & 50–950 ramp

primary

#451B9E

secondary

#9FC451

accent

#EE3AB4

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #451B9E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →